SAN DIEGO, CA--(Marketwired - Oct 11, 2013) - Vital Therapies, Inc., a biotherapeutic company developing a cell-based therapy targeting the treatment of acute liver failure, today announced that it has filed a registration statement with the U.S. Securities and Exchange Commission relating to a proposed initial public offering of shares of its common stock. The number of shares to be offered and the price range for the proposed offering have not yet been determined.